CVE-2023-30837

Vyper storage allocator overflow

CVSS 7.5 HIGHEPSS 0.7%CWE-789

Vyper is a pythonic smart contract language for the EVM. The storage allocator does not guard against allocation overflows in versions prior to 0.3.8. An attacker can overwrite the owner variable. This issue was fixed in version 0.3.8.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

vyperlang · vyper

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References

https://github.com/vyperlang/vyper/commit/0bb7203b584e771b23536ba065a6efda457161bb https://github.com/vyperlang/vyper/security/advisories/GHSA-mgv8-gggw-mrg6